/*

* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   Implementation of the Environmental Reverb proxy class

*

*/

// INCLUDE FILES

#ifdef _DEBUG

#include <e32svr.h>

#endif

#include "EnvironmentalReverbProxy.h"

#include "EnvironmentalReverbEventObserver.h"

#include "RoomLevelProxy.h"

#include <CustomInterfaceUtility.h>

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CEnvironmentalReverbProxy::CEnvironmentalReverbProxy

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

CEnvironmentalReverbProxy::CEnvironmentalReverbProxy(

	TMMFMessageDestinationPckg aMessageHandler,

	MCustomCommand& aCustomCommand,

	CCustomInterfaceUtility* aCustomInterfaceUtility )

	: 	iCustomCommand(&aCustomCommand),

		iMessageHandler(aMessageHandler),

		iCustomInterfaceUtility(aCustomInterfaceUtility)

    {

    }

// Destructor

CEnvironmentalReverbProxy::~CEnvironmentalReverbProxy()

    {

    // Remove the custom interface message handler before we destroy the proxy.

    TInt numOfRoomLevel = iCRoomLevelProxyList.Count();

    if (numOfRoomLevel > 0)

    {

    	for (TInt i = 0; i < numOfRoomLevel; ++i)

    	{

    	iCRoomLevelProxyList[i]->DettachReverb(*this);

    	}

    };

    iCRoomLevelProxyList.Close();

    if(iCustomInterfaceUtility)

        iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);

	delete iEnvironmentalReverbEventObserver;

	delete iCustomInterfaceUtility;

	}

// -----------------------------------------------------------------------------

// CEnvironmentalReverbProxy::NewL

// Static function for creating an instance of the Environmental Reverb object.

// -----------------------------------------------------------------------------

//

EXPORT_C CEnvironmentalReverbProxy* CEnvironmentalReverbProxy::NewL(

	TMMFMessageDestinationPckg aMessageHandler,

    MCustomCommand& aCustomCommand,

    CCustomInterfaceUtility* aCustomInterfaceUtility )

    {

    CEnvironmentalReverbProxy* self = new (ELeave) CEnvironmentalReverbProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

	}

// -----------------------------------------------------------------------------

// CEnvironmentalReverbProxy::ConstructL

// -----------------------------------------------------------------------------

//

void CEnvironmentalReverbProxy::ConstructL()

    {

#ifdef _DEBUG

    RDebug::Print(_L("CEnvironmentalReverbProxy::ConstructL"));

#endif

    iEnvironmentalReverbEventObserver = CEnvironmentalReverbEventObserver::NewL(iMessageHandler, *iCustomCommand, *this);

    StartObserver();

    // sends a message to fetch initial data.

    TEfEnvReverbDataPckg dataPckgFrom;

	iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EErfInitialize, KNullDesC8, KNullDesC8, dataPckgFrom);

	SetEffectData(dataPckgFrom);

	}

// -----------------------------------------------------------------------------

// CEnvironmentalReverbProxy::GetUniqueId

// return a TInt 32 integer

// -----------------------------------------------------------------------------

//

TUint32 CEnvironmentalReverbProxy::GetUniqueId() const

	{

		return iReverbData.iEnvironmentalReverbId;

     }

// -----------------------------------------------------------------------------

// CEnvironmentalReverbProxy::AttachRoomLevel

// Add the reference of aProxy to array

// -----------------------------------------------------------------------------

//

TInt CEnvironmentalReverbProxy::RoomLevelAttached(CRoomLevelProxy& aProxy)

	{   

	    TInt error = iCRoomLevelProxyList.Find(&aProxy);

	    if (error == KErrNotFound)

	    {

	      error = iCRoomLevelProxyList.Append(&aProxy);

	    }

	    return error;

	}

// -----------------------------------------------------------------------------

// CEnvironmentalReverbImpl::DetachRoomLevel

// Remove the reference of aProxy from array

// -----------------------------------------------------------------------------

//

TInt CEnvironmentalReverbProxy::RoomLevelDetached(CRoomLevelProxy& aProxy)

	{

	   TInt found = iCRoomLevelProxyList.Find(&aProxy);

	   if (found != KErrNotFound)

	   {

	   	 iCRoomLevelProxyList.Remove(found);				

	     found = KErrNone;

	   }

	   return found;

	}

// -----------------------------------------------------------------------------

// CEnvironmentalReverbProxy::ApplyL

// Apply the Environmental Reverb settings.

// -----------------------------------------------------------------------------

//

EXPORT_C void CEnvironmentalReverbProxy::ApplyL()

	{

#ifdef _DEBUG

    RDebug::Print(_L("CEnvironmentalReverbProxy::Apply"));

#endif

	if ( !iHaveUpdateRights )

		{

		User::Leave(KErrAccessDenied);

		}

	iReverbData.iEnabled = iEnabled;

	iReverbData.iEnforced = iEnforced;

	iReverbData.iHaveUpdateRights = iHaveUpdateRights;

	iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EErfApply, DoEffectData(), KNullDesC8);

	}

// -----------------------------------------------------------------------------

// CEnvironmentalReverbProxy::StartObserver

// Starts the event observer. The event observer monitors asynchronous events

// from the message handler.

// -----------------------------------------------------------------------------

//

void CEnvironmentalReverbProxy::StartObserver()

	{

#ifdef _DEBUG

    RDebug::Print(_L("CEnvironmentalReverbProxy::StartObserver"));

#endif

	iEnvironmentalReverbEventObserver->Start();

	}

// -----------------------------------------------------------------------------

// CEnvironmentalReverbProxy::EnvironmentalReverbEvent

// Checks which data member has changed and notify the observers.

// -----------------------------------------------------------------------------

//

void CEnvironmentalReverbProxy::EnvironmentalReverbEvent(

	const TDesC8& aBuffer )

	{

#ifdef _DEBUG

    RDebug::Print(_L("CEnvironmentalReverbProxy::EnvironmentalReverbEvent"));

#endif

	TEfEnvReverbDataPckg dataPckgFrom;

	dataPckgFrom.Copy(aBuffer);

	TEfEnvironmentalReverb newReverbData = dataPckgFrom();

	TUint8 event = 0;

	if ( newReverbData.iEnabled != iReverbData.iEnabled )

		{

		iReverbData.iEnabled = newReverbData.iEnabled;

		iEnabled = newReverbData.iEnabled;

		if ( iReverbData.iEnabled )

			{

			event = MAudioEffectObserver::KEnabled;

			}

		else

			{

			event = MAudioEffectObserver::KDisabled;

			}

		}

	else if ( newReverbData.iEnforced != iReverbData.iEnforced )

		{

		iReverbData.iEnforced = newReverbData.iEnforced;

		iEnforced = newReverbData.iEnforced;

		if ( iReverbData.iEnforced )

			{

			event = MAudioEffectObserver::KEnforced;

			}

		else

			{

			event = MAudioEffectObserver::KNotEnforced;

			}

		}

	else if ( newReverbData.iHaveUpdateRights != iReverbData.iHaveUpdateRights )

		{

		iReverbData.iHaveUpdateRights = newReverbData.iHaveUpdateRights;

		iHaveUpdateRights = newReverbData.iHaveUpdateRights;

		if ( iReverbData.iHaveUpdateRights )

			{

			event = MAudioEffectObserver::KGainedUpdateRights;

			}

		else

			{

			event = MAudioEffectObserver::KLostUpdateRights;

			}

		}

	else if ( newReverbData.iDecayTime != iReverbData.iDecayTime )

		{

		iReverbData.iDecayTime = newReverbData.iDecayTime;

		event = MEnvironmentalReverbObserver::KDecayTimeChanged;

		}

	else if ( newReverbData.iDecayHFRatio != iReverbData.iDecayHFRatio )

		{

		iReverbData.iDecayHFRatio = newReverbData.iDecayHFRatio;

		event = MEnvironmentalReverbObserver::KDecayHFRatioChanged;

		}

	else if ( newReverbData.iDensity != iReverbData.iDensity )

		{

		iReverbData.iDensity = newReverbData.iDensity;

		event = MEnvironmentalReverbObserver::KDensityChanged;

		}

	else if ( newReverbData.iDiffusion != iReverbData.iDiffusion )

		{

		iReverbData.iDiffusion = newReverbData.iDiffusion;

		event = MEnvironmentalReverbObserver::KDiffusionChanged;

		}

	else if ( newReverbData.iReflectionsDelay != iReverbData.iReflectionsDelay )

		{

		iReverbData.iReflectionsDelay = newReverbData.iReflectionsDelay;

		event = MEnvironmentalReverbObserver::KReflectionsDelayChanged;

		}

	else if ( newReverbData.iReflectionsLevel != iReverbData.iReflectionsLevel )

		{

		iReverbData.iReflectionsLevel = newReverbData.iReflectionsLevel;

		event = MEnvironmentalReverbObserver::KReflectionsLevelChanged;

		}

	else if ( newReverbData.iReverbDelay != iReverbData.iReverbDelay )

		{

		iReverbData.iReverbDelay = newReverbData.iReverbDelay;

		event = MEnvironmentalReverbObserver::KReverbDelayChanged;

		}

	else if ( newReverbData.iReverbLevel != iReverbData.iReverbLevel )

		{

		iReverbData.iReverbLevel = newReverbData.iReverbLevel;

		event = MEnvironmentalReverbObserver::KReverbLevelChanged;

		}

	else if ( newReverbData.iRoomLevel != iReverbData.iRoomLevel )

		{

		iReverbData.iRoomLevel = newReverbData.iRoomLevel;

		event = MEnvironmentalReverbObserver::KRoomLevelChanged;

		}

	else if ( newReverbData.iRoomHFLevel != iReverbData.iRoomHFLevel )

		{

		iReverbData.iRoomHFLevel = newReverbData.iRoomHFLevel;

		event = MEnvironmentalReverbObserver::KRoomHFLevelChanged;

		}

	else if ( newReverbData.iEnvironmentalReverbId != iReverbData.iEnvironmentalReverbId )

		{

		iReverbData.iEnvironmentalReverbId = newReverbData.iEnvironmentalReverbId;

//		event = MEnvironmentalReverbObserver::KRoomHFLevelChanged;

		}

	if (!event)

		return;

	for ( TInt i = 0; i < iObservers.Count(); i++ )

		{

		iObservers[i]->EffectChanged(this, event);

		}

	}

// ========================== OTHER EXPORTED FUNCTIONS =========================

// End of File